1. Anti-infection
  2. Bacterial Parasite Antibiotic
  3. Spiramycin

Spiramycin (Rovamycin) is a macrolide antibiotic produced by Streptomyces ambofaciens with against bacteria and Toxoplasma gondii activities, and also has antiparasitic effect. Spiramycin is composed of a 16-member lactone ring, on which three sugars (mycaminose, forosamine, and mycarose) are attached.

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Spiramycin

Spiramycin Chemische Struktur

CAS. Nr. : 8025-81-8

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Based on 1 publication(s) in Google Scholar

Other Forms of Spiramycin:

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1 Publications Citing Use of MCE Spiramycin

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Beschreibung

Spiramycin (Rovamycin) is a macrolide antibiotic produced by Streptomyces ambofaciens with against bacteria and Toxoplasma gondii activities, and also has antiparasitic effect. Spiramycin is composed of a 16-member lactone ring, on which three sugars (mycaminose, forosamine, and mycarose) are attached[1][2].

IC50 & Target

Macrolide

 

Toxoplasma

 

Cellular Effect
Cell Line Type Value Description References
HeLa IC50
189 μM
Compound: Spiramycin
Cytotoxicity against human HeLa cells assessed as cell growth inhibition measured after 24 hrs by MTT assay
Cytotoxicity against human HeLa cells assessed as cell growth inhibition measured after 24 hrs by MTT assay
[PMID: 34894691]
HeLa IC50
34.41 μM
Compound: 1
Cytotoxicity against human HeLa cells assessed as reduction in cell survival after 72 hrs by sulforhodamine B assay
Cytotoxicity against human HeLa cells assessed as reduction in cell survival after 72 hrs by sulforhodamine B assay
[PMID: 27501415]
HepG2 IC50
30.51 μM
Compound: 1
Cytotoxicity against human HepG2 cells assessed as reduction in cell survival after 72 hrs by sulforhodamine B assay
Cytotoxicity against human HepG2 cells assessed as reduction in cell survival after 72 hrs by sulforhodamine B assay
[PMID: 27501415]
KB IC50
31.26 μM
Compound: 1
Cytotoxicity against human KB cells assessed as reduction in cell survival after 72 hrs by sulforhodamine B assay
Cytotoxicity against human KB cells assessed as reduction in cell survival after 72 hrs by sulforhodamine B assay
[PMID: 27501415]
MCF7 IC50
33.11 μM
Compound: 1
Cytotoxicity against human MCF7 cells assessed as reduction in cell survival after 72 hrs by sulforhodamine B assay
Cytotoxicity against human MCF7 cells assessed as reduction in cell survival after 72 hrs by sulforhodamine B assay
[PMID: 27501415]
NHDF IC50
31.1 μM
Compound: 1
Cytotoxicity against HDF assessed as reduction in cell survival after 72 hrs by sulforhodamine B assay
Cytotoxicity against HDF assessed as reduction in cell survival after 72 hrs by sulforhodamine B assay
[PMID: 27501415]
In Vitro

Spiramycin (24 hours; 1-1000 μM; T. gondii infected HeLa cells and HeLa cells) treatment reduces the cytotoxicity, and shows anti-Toxoplasma gondii activity, with IC50 values of 189 μM for HeLa cells; and 262 μM for T. gondii-infected HeLa cells[3].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Cell Cytotoxicity Assay[3]

Cell Line: T. gondii infected HeLa cells and HeLa cells
Concentration: 1-1000 μM
Incubation Time: 24 hours
Result: Reduced the cytotoxicity.
In Vivo

Spiramycin (100 mg/kg; intraperitoneal injection; every day; for 4 days; female KM mice) treatment reduces the number of tachyzoites, and reduces hepatotoxicity and significantly enhances antioxidative effects. Spiramycin treatment also decreases in the degree of granulomatous inflammation in the liver[3].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: 36 female KM mice with T.gondii[3]
Dosage: 100 mg/kg
Administration: Intraperitoneal injection; every day; for 4 days
Result: The number of tachyzoites was significantly reduced. Reduced hepatotoxicity and significantly enhanced antioxidative effects. Granuloma and cyst formation were inhibitied.
Klinische Studie
CAS. Nr.
Appearance

Solid

Color

White to off-white

SMILES

N/A

Structure Classification
Initial Source

Streptomyces ambofaciens

Versand

Room temperature in continental US; may vary elsewhere.

Speicherung
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
Lösungsmittel & Löslichkeit
In Vitro: 

DMSO : ≥ 100 mg/mL

*"≥" means soluble, but saturation unknown.

  • Molaritätsrechner

  • Verdünnungsrechner

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
×
Volume
×
Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 2.5 mg/mL; Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.5 mg/mL; Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Reinheit & Dokumentation

Purity: 97.14%

Verweise
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Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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